• Find the right o-ring for your project. Remember – an O-Ring not squeezed in its application is probably the wrong o-ring.

    O-Ring Gland Calc.
  • Apple Rubber has over 7,000 sizes of O-rings. More sizes added daily.

    O-Ring Size Search
  • Rubber compounds are a mixture of polymers, fillers, antioxitives and curatives. What’s right for your application?

    Material Selection Guide
  • Match your application's composition with the o-ring material offering the best chemical resistance.

    Chemical Compat. Guide
  • Dedicated to helping you design a successful sealing solution.

    Seal Design Guide

Hot Topics

Video: How to overcome O-Ring installation issues

O-Rings make or break fluid-power systems. These small-but-mighty components are crucial to the success of an application. In our latest short video, we cover some of the most common causes of O-Ring installation issues so you can prevent O-Ring problems as early as the design stage.

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Apple Blog

What Manufacturers Need to Know About Attracting the Millennial Workforce

With a steady trickle of baby boomers retiring, the industry will require more millennials to help drive manufacturing companies forward -- but it may be more difficult than we think.

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Who is Apple Rubber?

Meet Apple Rubber -- a leader in rubber compounds and sealing technology. Improving the products we rely upon. Changing the way we live.

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Apple Rubber does more.

Apple Rubber Products Inc.® is a leading designer and manufacturer of o-rings, rubber seals and custom sealing devices. When you need a standard AS568 rubber o-ring, a complex Liquid Silicone Rubber (LSR) prototype seal or medical-grade seals and parts, Apple Rubber has the sealing capabilities to deliver the sealing solution you need.